from the 3/3/05 edition of the WSJ I thought this information would be useful.

An article on Audi fetting cars for the American market.

1) also has brake pads containing less copper, making them quieter and longer-lasting for the low-speed.

2) Wipers made for high-speed German autobahns squeak more on low-speed U.S. roads because there is less wind pressing the wipers against the glass.